When I start the program, it asks for the administrator password. After this, I can see jumping the program-thumbnail for about 30 times. After this nothing happens.

What is missing on my laptop?

I then tried RStudioEmg8.iso and installed it on a bootable USB disk. First, everything works fine. But then it asks me for the activation code. I got it from your site, but I can not put it in the mask, because on my laptop there is just a "software keyboard", and of course this is not invoked by booting the system from the USB. Moreover this laptop has just one USB-port which is used by the stick...